Stripe errorStripe: email_invalid

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Why Stripe rejects the email, and the fix

1. 01

   The value has spaces or a typo

   “The email address is invalid (for example, not properly formatted).” Stripe, Error codes (email_invalid)

   A trailing space from autofill or a missing @ fails. Trim the value and check it on the form first.

   const email = form.email.trim();
   const customer = await stripe.customers.create({
     ...(email ? { email } : {}),
     name: form.name,
   });

2. 02

   The field holds a name and an address

   “Check that the email address is properly formatted and only includes allowed characters.” Stripe, Error codes (email_invalid)

   Values like Jane Doe followed by the address in angle brackets, or two addresses separated by a comma, aren’t a single email. Send only the address.

3. 03

   The field is blank or only spaces

   A form can post a blank email, or spaces only. Spaces fail as a bad format. Trim first, and leave the field out when nothing is left.

4. 04

   Imported customers carry bad data

   Also check: a CSV import or a sync from another tool can carry old, malformed addresses. Clean the list before the import, and log the row that failed.

Checked against the vendor’s docs on November 9, 2026: Stripe docs: Error codes.

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